MercedesBenz C-Class 180 / 200 Petrol Engine Replacement - Compare Prices & Get Quotes
Get quotes today from trusted UK Mercedes-Benz C-Class 180 and 200 petrol engine specialists. Compare prices on reconditioned, rebuilt and used M271, M274 and M254 engines - supply & fit available nationwide.
Supply & Fit Available
12-Month Warranty
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100+ Suppliers
From £1,200 to £4,500
Used from £500 · Reconditioned from £1,200 · Common codes: M271.820, M271.910, M274.910, M274.920, M254.915
From £500
Tested, bare/short engine
From £1,200
Rod bearings addressed, tested
From quote
Upgraded bearings, full teardown, revised valvetrain
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3 Simple Steps3 Simple Stepsto Finding the Best Mercedes-Benz C-Class 180 / 200 Petrol Replacement Engineto Finding the Best Mercedes-Benz C-Class 180 / 200 Petrol Replacement Engine
Most replacements completed within 3-5 days.
Variant HistoryMercedes-Benz C-Class 180 / 200 Petrol - Engine History & Specs at a Glance
The C180 and C200 petrol badges have spanned three generations of the Mercedes-Benz C-Class, evolving from supercharged four-cylinders to advanced turbocharged units with mild hybrid technology. The W203 and early W204 used the M271 engine family - first as supercharged "Kompressor" units, later as CGI turbocharged direct-injection variants. The W205 introduced the M274 turbocharged engine, while the W206 brought the M254 with 48V mild hybrid assistance.
Variant HistoryMercedes-Benz C-Class 180 / 200 Petrol - Engine History & Specs at a Glance
The C180 and C200 petrol badges have spanned three generations of the Mercedes-Benz C-Class, evolving from supercharged four-cylinders to advanced turbocharged units with mild hybrid technology. The W203 and early W204 used the M271 engine family - first as supercharged "Kompressor" units, later as CGI turbocharged direct-injection variants. The W205 introduced the M274 turbocharged engine, while the W206 brought the M254 with 48V mild hybrid assistance.
Mercedes-Benz C-Class 180 / 200 Petrol
Fuel TypePetrol (MHEV from 2021)
Engine Size Range1.5L - 2.0L across the badge's history
Power Output Range143-204 hp (105-150 kW) across all generationsEngine History Timeline
M271.940 1.8L supercharged petrol, 143 hp - W203 C200 Kompressor launch; belt-driven Eaton M65 supercharger
M271.946 1.8L supercharged petrol, 143 hp - W203 C180 Kompressor launch
M271.820 1.8L CGI turbo petrol, 156 hp - W204 C180 CGI launch; direct injection replaces supercharger
M271.950 1.8L Kompressor, 184 hp - W204 C200 Kompressor; supercharged variant continues alongside CGI
M271.910 1.6L Kompressor petrol, 156 hp - W204 C180 Kompressor; smaller displacement for emissions
M274.910 1.6L turbo petrol, 156 hp - W205 C180 launch; new 2.0L turbo family
M274.920 2.0L turbo petrol, 184 hp - W205 C200 launch
M274.920 output increased for C200 to 211 hp in some variants
M254.915 1.5L MHEV turbo petrol, 170-204 hp - W206 C180/C200 launch; 48V ISG mild hybrid
Key Specs Snapshot
Fuel TypePetrol (MHEV from 2021)Engine Size Range1.5L - 2.0L across the badge's historyPower Output Range143-204 hp (105-150 kW) across all generationsYears Produced2000-present (as "180" / "200" petrol)Every engine fitted to the Mercedes-Benz C-Class 180 and 200 petrol is covered below, with UK rebuilt pricing and known failure points.
Mercedes-Benz C-Class 180 / 200 Petrol Engine Codes - Specifications & Replacement CostMercedes-Benz C-Class 180 / 200 Petrol Engine Codes - Specifications & Replacement Cost
1.8L Supercharged Petrol (2002-2007)
Power Output143 hp (105 kW) at 5,200 rpmTorque220 NmYears Fitted2002-2007
Compatible Trim Levels
- C180 Kompressor (W203)
- C180 Kompressor Classic
- C180 Kompressor Elegance
- C180 Kompressor Avantgarde
Find your exact engine code, specs and UK replacement cost guide.
Used
Tested, ready-to-fit engine
£500-£1,200
Reconditioned
Addressed known issues, tested
£1,200-£2,200
Rebuilt
Full teardown, upgraded internals
£1,800-£3,000
Common Failure
The M271 timing chain is a well-documented weak point. The single-row chain used in the M271 is considered a wear item, with failure typically occurring between 60,000-100,000 miles. Symptoms include a rattling noise from the front of the engine on cold start. Camshaft adjuster failure is also common.
The C180 and C200 petrol have been powered by three distinct engine families - the M271 (W203/W204), the M274 (W205) and the M254 (W206). The M271 is notorious for timing chain and camshaft adjuster failure. The M274 suffers from a wrist pin/piston seizure defect that led to an NHTSA investigation. The M254 is newer, with emerging 48V system and oil consumption concerns. Rebuilt C180 and C200 petrol engines through EnginesMarket include upgraded components designed to address the original failure points, plus a minimum 12-month unlimited-mileage warranty.
The Kompressor & CGI Weakness
Affected Vehicles
Mercedes-Benz C-Class 180 and 200 petrol (M271.946, M271.910, M271.820, M271.950, W203 and W204, 2000-2013)
Typical Failure Mileage
60,000-100,000 miles
Root Cause
The M271 uses a single-row timing chain that stretches prematurely, often combined with failing camshaft adjusters (phasers). The intake camshaft adjusters break internally, causing a check engine light, extended cranking and a rattle noise on start-up. Symptoms include a rattling noise from the front of the engine on cold start. P0017 almost always points to a stretched timing chain or a failing camshaft adjuster. The M271 engine is an interference design - if the timing chain breaks or slips, valves and pistons hit and the engine is effectively junk.
Why It Happens
The M271 uses a single-row timing chain that stretches prematurely, often combined with failing camshaft adjusters (phasers). The intake camshaft adjusters break internally, causing a check engine light, extended cranking and a rattle noise on start-up. Symptoms include a rattling noise from the front of the engine on cold start. P0017 almost always points to a stretched timing chain or a failing camshaft adjuster. The M271 engine is an interference design - if the timing chain breaks or slips, valves and pistons hit and the engine is effectively junk.
Dealer (parts + labour)
£1,800-£2,800
Specialist (parts + labour)
£1,100-£1,800
What it involves
Replace timing chain, tensioner, guides, both camshaft adjusters
Suitability
Best done at first rattle; prevents catastrophic failure
1 - 2 daysDealer (parts + labour)
£3,500-£5,500
Specialist (parts + labour)
£2,200-£3,800
What it involves
Cylinder head removal, valve replacement, piston inspection, full timing components
Suitability
Required if chain has slipped; bent valves almost certain
1 - 2 daysDealer (parts + labour)
£4,500-£6,500
Specialist (parts + labour)
£2,500-£4,200
What it involves
Complete replacement with professionally rebuilt M271 unit with upgraded timing components
Suitability
Best long-term value on higher-mileage cars
1 - 2 daysAll prices are indicative UK market ranges based on current UK specialist supplier data.| Repair Tier | Dealer (Parts + Labour) | Specialist (Parts + Labour) | What It Involves | Suitability | Estimated Time |
|---|---|---|---|---|---|
 Preventative Timing Chain & Tensioner Replacement Minor | £1,800-£2,800 | £1,100-£1,800 | Replace timing chain, tensioner, guides, both camshaft adjusters | Best done at first rattle; prevents catastrophic failure | 1 - 2 days |
 Post-Failure Head Rebuild Best Value | £3,500-£5,500 | £2,200-£3,800 | Cylinder head removal, valve replacement, piston inspection, full timing components | Required if chain has slipped; bent valves almost certain | 1 - 2 days |
Full Replacement - rebuilt M271 engine Best Value | £4,500-£6,500 | £2,500-£4,200 | Complete replacement with professionally rebuilt M271 unit with upgraded timing components | Best long-term value on higher-mileage cars | 1 - 2 days |
Vehicle Value Check
Vehicle Value Check
A typical W204 C180 or C200 petrol is worth £2,500-£8,000. For vehicles under £4,000, a preventative chain replacement (£1,100-£1,800) is usually the better financial decision than a full engine replacement. For higher-value examples, a rebuilt M271 with warranty (£2,500-£4,200) offers peace of mind.
Our Recommendation
Our Recommendation
If you hear a rattling noise from the front of the engine on cold starts - especially between 60,000 and 100,000 miles - act immediately. A preventative chain replacement at a specialist (£1,100-£1,800) saves thousands compared to waiting for failure. Mercedes-Benz extended the warranty on camshaft adjusters for some model years to 10 years/120,000 miles due to the high failure rate - check if your vehicle is still covered.
Don't Let Engine Failure Write Off Your Mercedes-Benz C-Class 180 or 200 Petrol
Engine failure doesn't always mean the end of the road for your C180 or C200 petrol. Whether your M271 needs a timing chain replacement, your M274 has a cracked piston, your M254 has a 48V system fault, or a full rebuild is required, EnginesMarket makes it simple to compare prices from trusted UK Mercedes-Benz C-Class 180 and 200 petrol specialists. Every rebuilt engine supplied through our network includes upgraded components designed to address the original failure point - plus a minimum 12-month unlimited-mileage warranty with nationwide delivery. Compare prices today and get back on the road without the main dealer premium.
Compare rebuilt M271 Mercedes-Benz C-Class 180 / 200 petrol engine prices
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Best Price GuidanceImportant Information
Important Information
"All prices are indicative UK market ranges based on historical quote data and repair requests from our network of engine specialists. Dealer pricing is estimated based on published main dealer labour rates and genuine OEM parts pricing. Specialist pricing reflects actual quote data from EnginesMarket's UK network. Actual costs vary depending on damage severity, vehicle condition, variant, and workshop location within the UK. Use our free comparison tool to get tailored quotes for your specific Mercedes-Benz C-Class 180 or 200 petrol. Every engine supplied through EnginesMarket carries a minimum 12-month unlimited mileage warranty - always confirm exact terms with your chosen supplier."
Mercedes-Benz C-Class 180 / 200 Petrol Engine ReplacementFrequently Asked Questions
Question 1How much does a Mercedes-Benz C-Class 180 or 200 petrol engine replacement cost in the UK-
A replacement engine for a C180 or C200 petrol typically costs between £500 and £4,500 depending on the engine code and condition. Used M271 units start from £500-£1,500, reconditioned from £1,200-£2,800, and fully rebuilt M274 engines from £2,200-£4,500. A rebuilt M271.DE18 ML engine costs from £2,350, with reconditioned units from £1,800. Labour for supply & fit adds £500-£1,000.
- Used M271.820 (W204 C180 CGI): £550-£1,400
- Rebuilt M274.920 (W205 C200): £2,200-£4,200
- Rebuilt M254.915 (W206 C200): £2,800-£4,500
Question 2Does the C-Class 180 or 200 petrol have a timing belt or timing chain-
All C180 and C200 petrol engines use timing chains, not belts. The M271 (W203/W204) uses a single-row timing chain that is considered a wear item - failure typically occurs between 60,000-100,000 miles. The M274 (W205) and M254 (W206) also use timing chains. A rattling noise from the front of the engine on cold start is the classic warning sign for timing chain issues.
- All C180/C200 petrol engines: timing chain
- M271 chain stretch common at 60k-100k miles
- M274/M254 chains are more robust but require regular oil changes
Question 3What are the signs of timing chain failure in a C-Class 180 or 200 petrol-
On M271-equipped models (W203/W204, 2000-2013), the most common symptom is a rattling noise from the front of the engine on cold start. Other signs include the check engine light (P0017 code), rough idle, loss of power, extended cranking, and hard starting. The M271 engine is an interference design - if the timing chain breaks or slips, valves and pistons hit and the engine is effectively junk.
- Cold-start rattle from the front of the engine
- Check engine light with P0017 code
- Extended cranking and hard starting
Question 4Is it worth replacing the engine in a Mercedes-Benz C-Class 180 or 200 petrol-
It depends on the generation and condition. A W203 or W204 C180/C200 petrol is typically worth £2,500-£8,000 - a rebuilt M271 engine (£2,500-£4,200) can be a worthwhile investment if the car is in good condition. A W205 C180/C200 petrol is worth £6,000-£15,000 - a rebuilt M274 engine (£2,200-£4,500) is usually well within the car's value. For the M274, a specialist replacement with an upgraded rebuilt unit is almost always better value than attempting to rebuild the original engine due to the wrist pin design flaw.
- W203/W204 (2000-2013): rebuilt M271 viable for good condition cars
- W205 (2013-2021): rebuilt M274 usually justifies cost
- M274 wrist pin failure: replacement better than repair
Question 5What is the difference between the M271, M274 and M254 engines in the C180 / C200-
The M271 is the original four-cylinder petrol family used in the W203 and W204 (2000-2013), available as supercharged ("Kompressor") and CGI turbocharged variants. The M274 is the turbocharged 1.6L/2.0L engine used in the W205 (2013-2021). The M254 is the 1.5L mild hybrid engine used in the W206 (2021-present) with 48V ISG technology.
- M271: 1.6-1.8L, supercharged or turbo, 143-184 hp, W203/W204 (2000-2013)
- M274: 1.6-2.0L, turbo, 156-211 hp, W205 (2013-2021)
- M254: 1.5L, MHEV turbo, 170-204 hp, W206 (2021-present)
Question 6What causes the Mercedes-Benz C-Class 180 or 200 petrol to lose power-
Power loss in the C180 and C200 petrol depends on the engine. On M271 engines, timing chain stretch can cause cam timing drift, reducing power. On M274 engines, the wrist pin/piston seizure failure can cause misfires and power loss. On M254 engines, 48V system faults can cause reduced performance. A diagnostic check with Mercedes STAR or compatible equipment is essential to identify the exact cause.
- M271 timing chain stretch - power loss + rattling
- M274 wrist pin failure - misfires and power loss
- M254 48V system faults - reduced performance
Why Choose UsCompare Mercedes-Benz C-Class 180 / 200 PetrolEngine PricesToday
500+ C180 and C200 petrol M271, M274 and M254 engines supplied through our network
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Comparing quotes for your C180 or C200 petrol is free, no-obligation, and specific to your exact M271, M274 or M254 engine code and generation. Our vetted UK specialists provide transparent pricing on used, reconditioned and rebuilt engines - with a minimum 12-month unlimited-mileage warranty on every rebuilt unit. Enter your registration above, compare prices, and choose the right engine for your C-Class today.
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